Last updated: July 2, 2025
In Zárate, Argentina, being aware of the UV Index is crucial for protecting yourself against harmful sun exposure. Understanding UV levels helps prevent sunburn and promotes long-term skin health. With a climate typical of the Cfa zone, residents and visitors alike should be mindful of the heightened UV risks, especially during midday hours when the index peaks at 4 at noon, lasting through the early afternoon. By staying informed about UV conditions, you can enjoy the sun safely while minimizing the risk of skin damage.
The UV Index skyrockets as the sun climbs higher, peaking at 12:00 PM with a level of 4, indicating a moderate risk of harm from unprotected sun exposure. As the daylight progresses, 07:00 starts at a cool 0, gradually rising to 1 by 08:00 and 09:00. By 10:00, it hits 2, and by 11:00, it reaches 3, setting the stage for that midday high. Later in the afternoon, from 12:00 to 14:00, the index maintains its strength at 4, before gently tapering off as the sun begins to set. By 19:00, it’s back to 0, marking the end of a sun-filled day. Stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 2 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels demonstrate significant seasonal variation, with January, February, March, November, and December classified in the extreme exposure category (UV Index 13 and higher), posing a serious risk with a burn time of just 10 minutes. As spring approaches, April sees a notable drop to very high levels (UV Index 8) with a slightly longer burn time of 15 minutes. May and June transition to moderate levels (UV Index 5 and 4), allowing for 30 minutes before succumbing to sunburn. The UV Index begins to climb again, peaking in August at high (UV Index 6) before returning to very high in September and October (UV Index 8-10), when burn times are reduced to 15 minutes. As residents and visitors plan outdoor activities, it is crucial to remain vigilant during the high-risk months of winter and late fall (November and December) as well as the spring (January to March). Regularly applying sunscreen, wearing protective clothing, and seeking shade during peak UV hours can help mitigate the risks associated with high UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Buenos Aires UVI | 14 | 13 | 11 | 7 | 5 | 4 | 4 | 6 | 8 | 10 | 13 | 14 |
| Zarate | 14 | 13 | 11 | 8 | 5 | 4 | 4 | 6 | 8 | 10 | 13 | 14 |
| Rosario UVI | 14 | 13 | 11 | 8 | 5 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Mendoza UVI | 15 | 14 | 12 | 8 | 6 | 4 | 5 | 6 | 9 | 12 | 14 | 15 |
| Cordoba UVI | 15 | 13 | 12 | 9 | 6 | 4 | 5 | 7 | 9 | 12 | 14 | 15 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |